Choose one type of weapon, such as greataxe. You deal extraordinary damage wielding this weapon.
Prerequisites: Epic Weapon Focus, Weapon Focus, Weapon Specialization (all in the chosen weapon).
Benefit: Add +4 to all damage the character deals using the selected weapon. If the weapon is a ranged weapon, the damage bonus only applies if the target is within 30 feet.
Special: A character can gain this feat multiple times. Its effects do not stack. Each time the character takes the feat, it applies to a different type of weapon.
Source: Standard Reference Document under Open Game License v1.0a, which updated this feat originally published in the Epic Level Handbook, page 55.